Artemisia species

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Scientific Name Artemisia borealis (Artemisia campestris ssp. borealis, Artemisia campestris var. purshii) USDA PLANTS Symbol
ARBO4
Common Name Boreal Sage, Boreal Sagewort, Northern Wormwood ITIS Taxonomic Serial No.
35437
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Montane to alpine (9500 to 13000 ft.); sandy, gravelly areas in meadows and tundra slopes.
Plant: Erect perennial 3 to 6 inches tall (at high altitudes), reddish stems with silky hairs.
Leaves: Light green hairy stem leaves, usually divided into 3 to 5 deep, linear lobes.
Inflorescence: Narrow, condensed, spike-like panicle with several small composite flowers; 15 to 30 disk florets; silky/hairy involucres.
Bloom Period: July and August.
References: Jane Hendrix, Breckenridge, CO., "Flora of Colorado" by Jennifer Ackerfield and Jepson eFlora.
BONAP Distribution Map
Colorado Status:
Native
Scientific Name Artemisia campestris ssp. pacifica USDA PLANTS Symbol
ARCAP2
Common Name Field Sagewort ITIS Taxonomic Serial No.
183751
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Plains to montane (4500 to 10500 ft.); dry, sandy, grassy areas, meadows.
Plant: Erect perennial 12 to 32 inches tall; single to multiple (2 to 5), reddish stems, smooth or with silky hairs.
Leaves: Light green hairy leaves; basal and lower stem leaves pinnately-divided 2 or 3 times into linear lobes; basal leaves persistent through blooming; upper stem leaves linear or narrowly oblong.
Inflorescence: Narrow, long, spike-like panicle with many very small (~1/8-inch) composite flowers; smooth involucres.
Bloom Period: July to October.
References: Jane Hendrix, Breckenridge, CO., "Flora of Colorado" by Jennifer Ackerfield and Flora of North America.
BONAP Distribution Map
Colorado Status:
Native
Scientific Name Artemisia frigida USDA PLANTS Symbol
ARFR4
Common Name Prairie Sagewort, Fringed Sage ITIS Taxonomic Serial No.
35465
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Plains to montane (4000 to 10000 ft.); dry hillsides, meadows and clearings.
Plant: Erect, fragrant, semi-shrub, woody at the base; spreading, much-branched stems; 4 to 16 inches tall.
Leaves: Silvery grey-green leaves 2 or 3 times pinnately-divided into linear segments 1/4 to 1/2-inch long; basal leaves in tufts; small stem leaves clumped together.
Inforescence: Flower stems with several dozen hairy flower heads in nodding racemes or open panicles, each 1/4-inch across with numerous (25 to 50) tiny disk florets.
Bloom Period: July to October.
References: "Flora of Colorado" by Jennifer Ackerfield, www.swcoloradowildflowers.com and US Forest Service.
BONAP Distribution Map
Colorado Status:
Native
Scientific Name Artemisia scopulorum USDA PLANTS Symbol
ARSC
Common Name Alpine Sagebrush, Alpine Sagewort, Alpine Sage ITIS Taxonomic Serial No.
35493
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Subalpine and alpine (10000 to 14000 ft.); open rocky areas in meadows and tundra.
Plant: Erect perennial 2 to 14 inches tall with slightly reddish, hairy stems.
Leaves: Soft, hairy mostly basal leaves 2 to 3 times pinnately-divided into narrow lobes 3/8 ti 1-3/8 inches long.
Inflorescence: Small flower heads 3/16-inch across, usually tending to one side, horizontal or nodding, in dense racemes; disk florets are yellow tinged with green and brown; hairy phyllaries with dark brown or black edges.
Bloom Period: July to September.
References: "Flora of Colorado" by Jennifer Ackerfield, "Guide to Colorado Wildflowers" by G.K. Guennel, www.swcoloradowildflowers.com and www.americansouthwest.net.
BONAP Distribution Map
Colorado Status:
Native
Scientific Name Artemisia tridentata USDA PLANTS Symbol
ARTR2
Common Name Big Sagebrush ITIS Taxonomic Serial No.
35498
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Semi-desert, plains, foothill and montane (4700 to 10000 ft.) widespread throughout the Rockies and western US: shrublands, dry plains, rangelands.
Plant: Perennial shrub 1-1/2 to 6 feet (or more) tall; multiple woody gray-brown branches/stems; overall gray-green appearance.
Leaves: Gray-green, somewhat hairy, wedge-shaped, partly divided into 3 lobes, 1/4 to 1-3/8 inches long.
Inflorescence: Long panicle up to 12 inches long with dozens of small, yellow or cream-colored flowers each with 3 to 8 small florets; hairy phyllaries.
Bloom Period: July to October.
References: "Flora of Colorado" by Jennifer Ackerfield, SEINet and www.americansouthwest.net.
BONAP Distribution Map
Colorado Status:
Native

© Tom Lebsack 2021